<script setup>
import {
  Edit,
  Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
  {
    "id": 3,
    "categoryName": "美食",
    "categoryAlias": "my",
    "createTime": "2023-09-02 12:06:59",
    "updateTime": "2023-09-02 12:06:59"
  }
])

//声明异步函数，获取文章分类列表
import {
  articleCategoryListService,
  articleCategoryAddService,
  articleCategoryUpdateService,
  articleCategoryDeleteService
} from '@/api/article.js'
import {ElMessage} from "element-plus";
const getCategoryList = async () => {
  let result = await articleCategoryListService()
  categorys.value = result.data
}
getCategoryList()

//添加文章分类
const addCategory = async () => {
  //调用接口，添加文章分类
  let result = await articleCategoryAddService(categoryModel.value);
  ElMessage.success(result.msg ? result.msg:"添加成功");
  //添加成功，关闭弹窗
  dialogVisible.value = false
  //刷新文章分类列表
  await getCategoryList()
}

//编辑文章分类
const updateCategory = async () => {
  //调用接口，编辑文章分类
  let result = await articleCategoryUpdateService(categoryModel.value);
  ElMessage.success(result.msg ? result.msg:"修改成功");
  //添加成功，关闭弹窗
  dialogVisible.value = false
  //刷新文章分类列表
  await getCategoryList()
}

//删除文章分类
import {ElMessageBox} from 'element-plus'
const deleteCategory = async (row) => {
  //提示用户 确认框
  ElMessageBox.confirm(
      '你确认要删除该分类信息吗?',
      '温馨提示',
      {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning',
      }
  )
    .then(async () => {
      //调用接口
      let result = await articleCategoryDeleteService(row.id);
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      //刷新列表
      await getCategoryList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '用户取消了删除',
      })
    })
}

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
  categoryName: '', // 分类名称
  categoryAlias: '' // 分类别名
})
//添加分类表单校验
const rules = {
  categoryName: [
    { required: true, message: '请输入分类名称', trigger: 'blur' },
  ],
  categoryAlias: [
    { required: true, message: '请输入分类别名', trigger: 'blur' },
  ]
}

//定义变量，控制弹窗标题的显示
const title = ref('')

//展示弹窗
const showDialog = (row) => {
  dialogVisible.value = true;
  title.value = '编辑分类';
  categoryModel.value.categoryName = row.categoryName;
  categoryModel.value.categoryAlias = row.categoryAlias;
  categoryModel.value.categoryState = row.categoryState;
  //扩展id属性，传给后台，后台根据id修改分类信息
  categoryModel.value.id = row.id;
}

//清空模型的数据
const clearData = () => {
  categoryModel.value.categoryName = '';
  categoryModel.value.categoryAlias = '';
}

</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章分类</span>
        <div class="extra">
          <el-button type="primary" @click="dialogVisible = true; title = '添加分类'; clearData()">添加分类</el-button>
        </div>
      </div>
    </template>
    <el-table :data="categorys" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"> </el-table-column>
      <el-table-column label="分类名称" prop="categoryName"></el-table-column>
      <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
          <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title="title" width="30%">
      <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="categoryAlias">
          <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="title === '添加分类' ? addCategory() : updateCategory()"> 确认 </el-button>
        </span>
      </template>
    </el-dialog>
  </el-card>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
</style>